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5651896 |
Sulfur separation system with interface control
A liquid separator system for separating molten sulfur from liquid redox solution or reslurry water. The system includes a vessel with a top part and a bottom part. The vessel has a larger diameter...
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4939817 |
Process and device for separating a sulfur-lye suspension
For separating sulfur from a sulfur-lye suspension, the suspension is fed into a flooded separation tank, a temperature above the melting temperature of sulfur is maintained in the separation tank,...
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4923482 |
Process for separating sulfur from ore
An improved process for separating sulfur from low grade surface ore is disclosed. The process involves mixing small particles of sulfur ore with a dilute aqueous solution of an agent to form a...
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4876079 |
Separation of a mixture of sulfur and alkaline solution and apparatus therefor
For the separation of sulfur from a sulfur/alkaline solution suspension, the suspension is heated to a temperature above the melting temperature of the sulfur and is introduced under pressure into...
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4730369 |
Method and apparatus for melting and recovering sulfur in aqueous slurries
Method and apparatus for recovering sulfur from an aqueous slurry. The slurry is passed downwardly through a shell-and-tube heat exchanger having vertically arranged tubes, wherein it is heated...
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4497635 |
Sulfur remelting
This invention is directed to a novel sulfur remelting method and an apparatus for employing the method. The method of remelting sulfur from a solid sulfur block may be comprised of generating...
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4304570 |
Method of separation of sulfur from a scrubbing liquid
A suspension of sulfur in a scrubbing liquid is preheated with steam to a temperature above the melting point of the sulfur so that the latter spontaneously melts in the suspension which is...
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4215996 |
Controlling sulfur particle hardness
Crystalline sulfur particles of predetermined, controlled, relative attrition resistance having diameters less than about 0.5 inch are formed by shock-crystallizing fused sulfur in an agitated...
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4206181 |
Pressure vessel for separating sulfur from an aqueous sulfur suspension
Apparatus for continuously separating sulfur from an aqueous sulfur suspension which is heated above the melting point of sulfur. The apparatus comprises a pressure vessel having heating and...
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4111805 |
Separation of solvent from liquid sulfur
A method and apparatus for separating solvent from liquid sulfur. The invention entails introducing an emulsion of liquid sulfur and a solvent of lower specific gravity into a first zone of a...
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4027656 |
Sulphur melting apparatus and method
Apparatus for melting sulphur, including an upstanding tube, or tubes, each being adapted to receive solid sulphur in its top open end and each having a heating jacket therearound. The sulphur...
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3886978 |
Gas vent
A method and apparatus for venting hydrogen sulphide gas from a vessel or tank car containing hot molten sulphur therein, wherein a layer of sulphur crust has formed on the upper surface thereof...
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3885920 |
Method for the solidification of molten sulphur
A method of solidifying molten sulphur involves forming on a belt at least one undulation which is shaped to permit the formation of a pool of molten sulphur. Molten sulphur is fed onto the belt so...
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3838979 |
SULFUR RECOVERY PROCESS
Sulfur is continuously recovered from native sulfur-bearing ore by heating the ore within a vessel to produce a sulfur vapor, condensing the sulfur vapor within the vessel by direct heat exchange...
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3838973 |
APPARATUS FOR THE SOLIDIFICATION OF MOLTEN SULPHUR
A thin layer of solidified sulphur is formed by discharging molten sulphur onto a conveyor belt supported on loosely retained rollers, and passing the belt on the rollers through a cooling zone,...
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3761136 |
METHOD OF TRANSPORTING SULFUR BY PIPELINE
The present invention relates to a method of transporting sulfur by pipeline with a minimum of sulfur precipitation and adherence to the internal parts of the pipeline system. By the present...
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3684005 |
METHOD AND APPARATUS FOR THE SOLIDIFICATION OF MOLTEN SULPHUR
A method and apparatus for the solidification of molten sulphur involves feeding a layer of molten sulphur onto the normally upper surface of a movable member such as a belt. The belt is provided...
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3649217 |
SULFUR EXTRACTION
Sulfur extraction including provision of means for bringing molten sulfur separated from ore in close proximity to form large droplets for separation.
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3647398 |
PROCESS FOR REMOVING GANGUE FROM SULFUR-BEARING MATERIALS
A process for removing gangue from sulfur-bearing materials, such as silica from sulfur ores or concentrates, includes melting the sulfur-bearing material having the gangue in the molten sulfur...
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3637351 |
POROUS PARTICULATE SULFUR AND MEANS AND METHOD FOR ITS PREPARATION
Highly porous sulfur particles are prepared by discharging, into a vapor space at substantially atmospheric pressure, water and molten sulfur in intimate admixture to form sulfur droplets having a...
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3634046 |
RECOVERY OF SULFUR FROM NATURALLY OCCURRING ORES
A process for recovering elemental sulfur from sulfur-bearing ores by a melting process wherein a preheated slurried grind is steamed as a bed while maintaining a pressure differential above and...
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3619146 |
SULFUR RECOVERY
Sulfur is continuously extracted from sulfur bearing ore, found or brought to the surface, by conveying said ore through a conduit containing a downstream sulfur extraction section. After sulfur is...
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3607143 |
SULFUR EXTRACTION BY SEQUENTIAL CONTACT WITH VAPOR AND WITH LIQUID PERCHLOROETHYLENE
This patent describes a process for the recovery and purification of sulfur which comprises contacting a sulfur-bearing ore with hot perchloroethylene vapor, permitting at least some of said vapor...
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3555259 |
ELECTRONIC OPTICAL DATA PROCESSING SYSTEM
An electro-optical system convolves two variable-density traces by two cathode-ray scanning means using the output of scanning of a first trace to vary the beam intensity while scanning the second....
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3531261 |
SULFUR ORE REFINING PROCESS
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3512943 |
SULFUR EXTRACTION APPARATUS INCLUDING RESIDUE TREATING FLOTATION MEANS
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3504061 |
METHOD OF PREPARING SULPHUR PELLETS
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3440026 |
SOLVENT EXTRACTION OF ELEMENTAL SULPHUR FROM SULPHUR-BEARING MATERIALS
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3306446 |
Multiphase separator
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3278269 |
Sulphur treatment
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3197274 |
Liquid-liquid recovery of metal values using hydroxyamine extractants
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3102792 |
Recovery of sulfur from native ores
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3072463 |
Separator for surface sulphur operations
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3042503 |
Purification of sulfur
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3042502 |
Recovery of elemental sulfur from sulfur bearing materials
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3034954 |
Virus inhibitors
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2962301 |
Tractor-semi-trailer combination
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2954280 |
Solvent recovery apparatus
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2934414 |
Extraction of sulphur
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2934413 |
Recovery of elemental sulphur from sulphur bearing materials
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2917345 |
Process of producing sulfur slurry for transportation thereof
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2915369 |
Process for extracting sulphur
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2841536 |
Process for recovery of sulfur from elemental-sulfur bearing ore
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2838391 |
Method of treating sulfur bearing mineral values with molten sulfur to concentrate mineral sulfides
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2835561 |
Separation of molten sulfur from a slurry of its ore constituents
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2798772 |
Transportation of sulfur
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1457793 |
Title is not available
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3832145 |
Title is not available
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3689229 |
Title is not available
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3689227 |
Title is not available
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